Curcuma Siam Scarlet

Siam Scarlet Ginger

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Tropical rhizomatous perennial with vibrant red bracts and large green foliage. Ideal for bright indoor spaces during the growing season.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Siam Scarlet Ginger
Family Zingiberaceae
Genus Curcuma
Species Alismatifolia
Variety Siam Scarlet
Origin Southeast Asia
Blooming Vibrant red bracts appear from late summer to autumn indoors.
Leaf Color Deep green foliage with scarlet-red bracts
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich, well-draining potting mix with peat and perlite for aeration.

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Watering

Keep soil consistently moist during growth; reduce watering when foliage dies back in winter dormancy.

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Sunlight & Care

Bright indirect light; protect from harsh direct sun to prevent leaf scorch.

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Fertilization

Apply balanced liquid fertilizer every 2 weeks during active growing season (Apr-Sept).

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Pruning

Remove spent bracts and yellow leaves to direct energy to the rhizome.

Pest Control Aphid Mealybug Spider Mite Thrip

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

thermostat
Temperature
61° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
45% – 85%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 15000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 3000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
25% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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